<template>
  <el-dialog title="添加子部门" width="500px" :visible="showDialog" :before-close="close">
    <!-- 表单内容 -->
    <el-form ref="form" label-width="120px" :model="formData" :rules="rules">
      <el-form-item prop="name" label="部门名称">
        <el-input v-model="formData.name" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>
      <el-form-item prop="code" label="部门编码">
        <el-input v-model="formData.code" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>
      <el-form-item prop="managerId" label="部门负责人">
        <!-- 选项组件 -->
        <el-select v-model="formData.managerId" placeholder="请选择负责人" style="width: 80%" size="mini">
          <!-- 选项组件 label文本展示 value提交给后端的值 -->
          <el-option
            v-for="item in managerList"
            :key="item.id"
            :label="item.username"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item prop="introduce" label="部门介绍">
        <el-input v-model="formData.introduce" placeholder="1-100个字符" type="textarea" size="mini" :rows="4" style="width: 80%" />
      </el-form-item>
      <el-form-item>
        <!-- 按钮 -->

        <el-button size="mini" type="primary" style="margin-left:80px" @click="submit">确定</el-button>
        <el-button size="mini" @click="close">取消</el-button>

      </el-form-item>
    </el-form>

  </el-dialog>
</template>

<script>
import { getDepartment, getManagerList, addDepartment } from '@/api/department'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    currentId: {
      type: Number,
      default: null
    }

  },
  data() {
    return {
      formData: {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      },
      rules: {
        code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur'
          },
          {
            validator: async(rule, value, callback) => {
              // 不能和之前已有的部门编码重复
              // 发请求获取之前的部门数据
              const res = await getDepartment()
              console.log(res)
              if (res.some(item => item.code === value)) {
                callback(new Error('部门编码重复'))
              } else {
                callback()
              }
            }
          }
        ], // 部门编码
        introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' }, {
          min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur'
        }], // 部门介绍
        managerId: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }], // 部门负责人id
        name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur'
          },
          {
            validator: async(rule, value, callback) => {
              // 不能和之前已有的部门编码重复
              // 发请求获取之前的部门数据
              const res = await getDepartment()
              console.log(res)
              if (res.some(item => item.name === value)) {
                callback(new Error('部门名称重复'))
              } else {
                callback()
              }
            }
          }
        ] // 部门名称
        // pid: '' // 父级部门的id 不需要做校验
      },
      managerList: []
    }
  },
  created() {
    this.getManagerList()
  },
  methods: {
    submit() {
      this.$refs.form.validate().then(async() => {
        await addDepartment({
          ...this.formData,
          pid: this.currentId
        })

        this.$message.success('添加部门成功')
        this.close()
        this.$emit('refresh')
      })
    },
    close() {
      this.$emit('update:showDialog', false)
      this.$refs.form.resetFields()
    },

    async getManagerList() {
      this.managerList = await getManagerList()
    }

  }

}
</script>
